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Can't get emulators working after downgrading graphics card

I was recently told to upgrade my graphics card driver to my manufacture's recommended version (from Window's recommended version) because I was told it would fix some other issues (turns out those issues were totally independent from anything having to do with the graphics card). The manufacture's recommended version had a TON of compatibility issues with my computer, so I downgraded back to Window's recommended version.
Since changing my graphics card driver, I am unable to get Android Emulators to run. If I try creating a new emulator and running it, I get the following error message:

Starting emulator for AVD 'Nexus_One'
Failed to create Context 0x3005
could not get wglGetExtensionsStringARB
emulator: WARNING: Could not initialize OpenglES emulation, using software renderer.
could not get wglGetExtensionsStringARB
could not get wglGetExtensionsStringARB
could not get wglGetExtensionsStringARB
could not get wglGetExtensionsStringARB
could not get wglGetExtensionsStringARB
could not get wglGetExtensionsStringARB
could not get wglGetExtensionsStringARB
emulator: Failed to open the HAX device!
HAX is not working and emulator runs in emulation mode
emulator: Open HAX device failed
emulator: emulator window was out of view and was recentered

After googling around, I found some people say that the graphics card driver should be upgraded, but that is NOT an option for me. I used to be able to get the emulators working with my current graphics card driver version (before upgrading then downgrading), so I know there isn't some compatibility issue. I may have updated my Android SDK while using the other graphics card driver version (not sure if I did or not, but I might have), so maybe updating the SDK set something somewhere which is now incompatible.
Does anyone have any advice?

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